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WorksheetsElectrolysis (National 5)
Total questions: 10
Worksheet time: 5mins
What kind of electrical current is used in electrolysis?
Direct
Indirect
Alternative
Alternating
Which statement correctly describes the 2 electrodes?
They are both negative
They are both positive
One is positive and one is negative
They are both neutral
What is the name given to the solution that is being electrolysed?
Salty solution
Electric solution
Mineral solution
Electrolyte
It is essential that the electrolyte is a liquid so that...
Electrons can migrate towards the electrodes.
Charged ions can migrate towards the electrodes.
The electrodes can dissolve.
The circuit is opened.
What happens at the positive electrode?
Positive ions are attracted
Negative ions are attracted
The negatively charged ions migrate toward the ________.
positive electrode
negative electrode
Why do ionic compounds only conduct electricity when molten or dissolved in water?
Electrons are shared
Electrons are free to move
Ions are free to move
